Portable radio



FIG. 1 is a front perspective view of an ornamental design for a portable radio;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a first side view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines and unshaded portions contained within broken lines are included for the purpose of illustrating portions of the portable radio that form no part of the claimed design. 

CLAIM The ornamental design for a portable radio, as shown and described. 